Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3670#discussion_r23970320
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -996,12 +1004,49 @@ class SparkContext(config: SparkConf) extends
Logging with ExecutorAllocationCli
* filesystems), or an HTTP, HTTPS or FTP URI. To access the file in
Spark jobs,
* use `SparkFiles.get(fileName)` to find its download location.
*/
- def addFile(path: String) {
+ def addFile(path: String): Unit = {
+ addFile(path, false)
+ }
+
+ /**
+ * Add a file to be downloaded with this Spark job on every node.
+ * The `path` passed can be either a local file, a file in HDFS (or
other Hadoop-supported
+ * filesystems), or an HTTP, HTTPS or FTP URI. To access the file in
Spark jobs,
+ * use `SparkFiles.get(fileName)` to find its download location.
+ *
+ * A directory can be given if the recursive option is set to true.
Currently directories are only
+ * supported for Hadoop-supported filesystems.
+ */
+ def addFile(path: String, recursive: Boolean): Unit = {
+ val isLocalMode = conf.get("spark.master").startsWith("local")
--- End diff --
I think that we already have a `SparkContext.isLocal` variable for this, so
I'd use that instead of inspecting SparkConf here.
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